kernel_4_7_10_grsec_bug

Dec 23 10:56:24 kvm kernel: [   30.623533] BUG: unable to handle kernel NULL pointer dereference at            (nil)
Dec 23 10:56:24 kvm kernel: [   30.623922] IP: [<ffffffffa08ad77a>] kvm_irqfd_release+0x2a/0xa0 [kvm]
Dec 23 10:56:24 kvm kernel: [   30.624158] PGD 0
Dec 23 10:56:24 kvm kernel: [   30.624363] Oops: 0000 [#1] SMP
Dec 23 10:56:24 kvm kernel: [   30.624536] Modules linked in: vhost_net vhost macvtap macvlan tun ipt_MASQUERADE nf_nat_masquerade_ipv4 ebtable_filter ebtables iptable_nat xt_addrtype xt_conntrack br_netfilter ip6table_filter iptable_filter ip_tables loop nfsd auth_rpcgss nfs_acl bridge coretemp intel_powerclamp kvm_intel kvm iTCO_wdt iTCO_vendor_support psmouse lpc_ich hpilo serio_raw input_leds irqbypass led_class mfd_core acpi_power_meter pcspkr hpwdt ata_generic crc32_pclmul pata_acpi ghash_clmulni_intel pcc_cpufreq ipmi_ssif acpi_cpufreq openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack nfsv4 dns_resolver 8021q garp mrp stp llc dm_zero dm_thin_pool dm_persistent_data dm_bio_prison dm_service_time dm_round_robin dm_queue_length dm_multipath dm_log_userspace dm_flakey dm_delay iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi igb hwmon i2c_algo_bit ptp pps_core dca e1000 bnx2 fuse xfs nfs lockd grace sunrpc jfs btrfs multipath linear raid10 raid1 raid0 dm_raid raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx md_mod xor raid6_pq dm_snapshot dm_bufio dm_crypt dm_mirror dm_region_hash dm_log sl811_hcd hid_generic usbhid xhci_pci xhci_hcd ohci_hcd uhci_hcd usb_storage ehci_pci ehci_hcd usbcore usb_common scsi_transport_fc hpsa cciss sr_mod cdrom sg sd_mod ata_piix
Dec 23 10:56:24 kvm kernel: [   30.631617] CPU: 2 PID: 5556 Comm: qemu-system-x86 Tainted: G          I     4.7.10-hardened-rns1 #1
Dec 23 10:56:24 kvm kernel: [   30.631938] Hardware name: HP ProLiant SE316M1R2 , BIOS R02 07/02/2013
Dec 23 10:56:24 kvm kernel: [   30.632118] task: ffff880037740b40 ti: ffff880037741550 task.ti: ffff880037741550
Dec 23 10:56:24 kvm kernel: [   30.632430] RIP: 0010:[<ffffffffa08ad77a>]  [<ffffffffa08ad77a>] kvm_irqfd_release+0x2a/0xa0 [kvm]
Dec 23 10:56:24 kvm kernel: [   30.632795] RSP: 0018:ffffc90012febbb0  EFLAGS: 00010047
Dec 23 10:56:24 kvm kernel: [   30.632973] RAX: 0000000000000000 RBX: ffff8805f5924000 RCX: 0000000000000001
Dec 23 10:56:24 kvm kernel: [   30.633153] RDX: 0000000000000001 RSI: ffff8805f9bffd40 RDI: ffff8805f5924a50
Dec 23 10:56:24 kvm kernel: [   30.633334] RBP: ffffc90012febbd0 R08: 0000000000000000 R09: 0000000000000000
Dec 23 10:56:24 kvm kernel: [   30.633514] R10: ffff8805f9bffd70 R11: 0000000000000000 R12: ffff8805f5924a58
Dec 23 10:56:24 kvm kernel: [   30.633695] R13: ffff8805f5924000 R14: ffff8800e28baaf0 R15: ffff8805fc604378
Dec 23 10:56:24 kvm kernel: [   30.633875] FS:  00000349d09ec700(0000) GS:ffff8805ffc20000(0000) knlGS:0000000000000000
Dec 23 10:56:24 kvm kernel: [   30.634191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 23 10:56:24 kvm kernel: [   30.634370] CR2: 0000000000000000 CR3: 0000000001b5f000 CR4: 00000000000206f0
Dec 23 10:56:24 kvm kernel: [   30.634550] Stack:
Dec 23 10:56:24 kvm kernel: [   30.634721]  0000000000000000 ffff8805f5924000 0000000000000008 ffff880bff055070
Dec 23 10:56:24 kvm kernel: [   30.635168]  ffffc90012febbe8 ffffffffa08a7791 ffff8805f9bffd40 ffffc90012febc28
Dec 23 10:56:24 kvm kernel: [   30.635619]  ffffffff812292fd ffff8805f9bffd70 ffff8805f9bfc500 ffff880037740b40
Dec 23 10:56:24 kvm kernel: [   30.636068] Call Trace:
Dec 23 10:56:24 kvm kernel: [   30.636252]  [<ffffffffa08a7791>] kvm_vm_release+0x11/0x40 [kvm]
Dec 23 10:56:24 kvm kernel: [   30.636435]  [<ffffffff812292fd>] __fput+0xed/0x240
Dec 23 10:56:24 kvm kernel: [   30.636613]  [<ffffffff81229499>] ____fput+0x9/0x30
Dec 23 10:56:24 kvm kernel: [   30.636792]  [<ffffffff810c1e51>] task_work_run+0x81/0xd0
Dec 23 10:56:24 kvm kernel: [   30.636984]  [<ffffffff810a27be>] do_exit+0x30e/0xcb0
Dec 23 10:56:24 kvm kernel: [   30.637163]  [<ffffffff810a3204>] do_group_exit+0x44/0xe0
Dec 23 10:56:24 kvm kernel: [   30.637343]  [<ffffffff810b103a>] get_signal+0x2da/0x630
Dec 23 10:56:24 kvm kernel: [   30.637523]  [<ffffffff8101f214>] do_signal+0x34/0x7f0
Dec 23 10:56:24 kvm kernel: [   30.637702]  [<ffffffff81112863>] ? hrtimer_try_to_cancel+0xb3/0x140
Dec 23 10:56:24 kvm kernel: [   30.637883]  [<ffffffff8114f7f8>] ? audit_filter_rules+0x6f8/0xe50
Dec 23 10:56:24 kvm kernel: [   30.638062]  [<ffffffff8100230d>] exit_to_usermode_loop+0x5d/0xb0
Dec 23 10:56:24 kvm kernel: [   30.638238]  [<ffffffff81002f00>] do_syscall_64+0x120/0x150
Dec 23 10:56:24 kvm kernel: [   30.638414]  [<ffffffff81776b8e>] entry_SYSCALL64_slow_path+0x25/0x25
Dec 23 10:56:24 kvm kernel: [   30.638590] Code: 00 55 48 89 e5 41 55 41 54 53 49 89 fd 48 81 c7 50 0a 00 00 4d 8d a5 58 0a 00 00 48 83 ec 08 e8 9d 8c ec e0 49 8b 85 58 0a 00 00 <48> 8b 08 49 39 c4 48 8d b8 40 ff ff ff 48 8d 99 40 ff ff ff 74
Dec 23 10:56:24 kvm kernel: [   30.641267] RIP  [<ffffffffa08ad77a>] kvm_irqfd_release+0x2a/0xa0 [kvm]
Dec 23 10:56:24 kvm kernel: [   30.641492]  RSP <ffffc90012febbb0>
Dec 23 10:56:24 kvm kernel: [   30.641665] CR2: 0000000000000000
Dec 23 10:56:24 kvm kernel: [   30.641839] ---[ end trace 26977921e1cfd619 ]---